H.MH-140 Brushless Handpiece with ergonomic, comfortable grip is brushless with long-lasting ball bearings and easy bur changes – twist to release or lock bur. Includes both 3/32˝ (2.35mm) or 1/8˝ collets and designed for simple collet changes to use 3/32˝ (2.35mm) or 1/8˝ shank burs. ONLY for use with Foredom K.1040 Brushless Micromotor only. Specifications and Features: Handpiece/Motor Ergonomic, comfortable grip Brushless with long-lasting ball bearings Easy bur changes – twist to release or lock bur Designed for simple collet changes to use 3/32˝ (2.35mm) or 1/8˝ shank burs Specs: 6-1/2˝ long, 1-1/8˝ diameter at thickest end, 1/2˝ diameter at nosecone, 5´ long handpiece cord, weighs 11.5 oz. Non-Latex